Development

Topic	Replies	Views	Activity
About the Development category	4	3792	March 28, 2024
Get started with Firefox extension development Extensions provide a simple and powerful way to personalize your browsing experience. If you know JavaScript, CSS, and HTML, you can build your own. If you are brand-new to add-on development, you can get started by che…	6	10582	September 6, 2023
Extension development tools developer-tools Hi all, I’m excited to share some tools that community members have recently created to help with extension development. If you’ve built something that could be helpful to others, please let us know by replying to this …	6	9906	June 23, 2021
Where is this path? learning	1	16	April 24, 2024
Modify headers with declarativeNetRequest.updateSessionRules()? issue	6	249	April 22, 2024
My Add-on keep getting taken down for no reason	2	46	April 22, 2024
Python "native-messaging" web extensions on mac unable to read / write files on Downloads folder webextensions-api	3	858	April 22, 2024
Native messaging webextensions-examples errors	3	80	April 21, 2024
tabs.executeScript does not work with containered tabs issue	3	85	April 18, 2024
Content-script: How to wait for React DOM to load? content	2	484	April 15, 2024
How to use a custom font in addon learning	3	158	April 11, 2024
[WebExtension] Import a module in a script	10	12747	April 2, 2024
Demonstrating security of an add-on privacy-and-security	6	263	April 1, 2024
How to ask user to grant permissions for 'Access your data for all websites' through a prompt during the installation process	6	2450	March 27, 2024
Can Firefox add-ons access information in the SSL/TLS handshake?	7	5224	November 12, 2017
Cannot inject a JavaScript file because of a CSP limitations	8	215	March 12, 2024
Webextension: Retry failed download learning	12	2400	March 12, 2024
MV3 browser.scripting.executeScript throws Missing host permission for the tab	6	950	March 12, 2024
Focus sidebar when it opens, and other things	10	1247	March 12, 2024
How to stop a background script from going idle in MV3? learning	8	361	March 5, 2024
"commands" for android webextension? learning	2	208	March 1, 2024
Is there a way to make permissions mandatory in Manifest v3? learning	4	215	February 21, 2024
Can not submit add-on issue	4	241	February 21, 2024
"/background/service_worker" is not supported	4	335	February 20, 2024
Browser extension uninstallation Issue	2	234	February 17, 2024
Is storage.sync preserved after extensions are updated	20	389	February 14, 2024
Preload extension	7	524	February 5, 2024
Cannot load file with opencv.js	3	314	February 2, 2024
WebExtension does not start the content script	1	182	January 29, 2024
Does an add-on self-distributed via Web download auto update learning	3	312	January 29, 2024

About the Development category

4

3792

March 28, 2024

Get started with Firefox extension development

Extensions provide a simple and powerful way to personalize your browsing experience. If you know JavaScript, CSS, and HTML, you can build your own. If you are brand-new to add-on development, you can get started by che…

6

10582

September 6, 2023

Extension development tools

developer-tools

Hi all, I’m excited to share some tools that community members have recently created to help with extension development. If you’ve built something that could be helpful to others, please let us know by replying to this …